All members

Member of Congress

Bill Cassidy

Republican · U.S. Senator for Louisiana

Official biography (Biographical Directory of the U.S. Congress)

Compare with another member

119th Congress, Senate

Party unity how it’s measured

97.9%

Voted with their party on 780 of 797 party-unity votes

Missed votes how it’s measured

5.5%

Missed 50 of 915 votes they were eligible for

Cross-party cosponsoring how it’s measured

27.1%

75 of the 277 bills they cosponsored were introduced by another party

See the bills

Cross-party support how it’s measured

56.6%

60 of the 106 bills they introduced have a cosponsor from another party

See the bills

How they voted by issue area

Each vote counts in every issue area its bill has. A Yea on a procedural vote or motion doesn’t mean support for the bill. How we count these

Issue areaYeaNayPresent or not votingVotes
Agriculture and food522
Civil rights301
Crime and justice1322
Defense and veterans823
Economy and finance1423
Education1022
Energy2043
Environment2223
Foreign affairs and trade1082
Government and elections1132
Healthcare923
Housing601
Immigration1322
Labor and jobs822
Social safety net1022
Taxes500
Technology1323
Transportation923

Party unity over time

By month, across every Congress we cover in the Senate. Months with few party-unity votes can swing widely.

Show as a table
MonthParty unityWith party
Jan 2021100%2 of 2
Feb 202192.1%35 of 38
Mar 202185%51 of 60
Apr 2021100%25 of 25
May 202181.8%27 of 33
Jun 202189.3%25 of 28
Jul 202181.3%26 of 32
Aug 202185.4%41 of 48
Sep 202184.8%28 of 33
Oct 202195.5%42 of 44
Nov 2021100%15 of 15
Dec 202191.3%42 of 46
Jan 202287.5%7 of 8
Feb 202286%37 of 43
Mar 202284.9%45 of 53
Apr 202286.7%13 of 15
May 202294.3%50 of 53
Jun 202277.3%17 of 22
Jul 202265.5%19 of 29
Aug 202292.7%38 of 41
Sep 202273.9%17 of 23
Nov 2022100%13 of 13
Dec 202270.7%29 of 41
Jan 2023100%1 of 1
Feb 202396.3%26 of 27
Mar 202373.3%33 of 45
Apr 202387.5%14 of 16
May 202394.1%32 of 34
Jun 202385.3%29 of 34
Jul 202380%16 of 20
Sep 202394.4%17 of 18
Oct 202392.9%26 of 28
Nov 202394.1%32 of 34
Dec 202350%7 of 14
Jan 202469.2%9 of 13
Feb 202464%16 of 25
Mar 202492.3%36 of 39
Apr 2024100%23 of 23
May 202481%17 of 21
Jun 202484.6%11 of 13
Jul 2024100%19 of 19
Aug 2024100%2 of 2
Sep 202490.9%20 of 22
Nov 202496.6%28 of 29
Dec 202485.7%24 of 28
Jan 2025100%20 of 20
Feb 2025100%68 of 68
Mar 202597.9%47 of 48
Apr 2025100%66 of 66
May 2025100%54 of 54
Jun 202598.6%71 of 72
Jul 2025100%102 of 102
Aug 2025100%12 of 12
Sep 202596.4%27 of 28
Oct 202598.2%56 of 57
Nov 2025100%21 of 21
Dec 2025100%32 of 32
Jan 2026100%16 of 16
Feb 2026100%23 of 23
Mar 2026100%23 of 23
Apr 2026100%37 of 37
May 202686.7%13 of 15
Jun 202682.1%46 of 56
Jul 2026100%23 of 23
Aug 202688.9%8 of 9
Sep 2026100%15 of 15

Votes

Every vote that counts in our statistics that they were eligible for, newest first.

Showing 1–50 of 915 votes

  • Sep 30, 2026Roll call 256

    On the Nomination

    Confirmation: Keith Sonderling, of F.L., to be Secretary of Labor

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 30, 2026Roll call 255

    On the Cloture Motion

    Motion to Invoke Cloture: Keith Sonderling to be Secretary of Labor

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Sep 30, 2026Roll call 254

    H.R. 9340: On Cloture on the Motion to Proceed

    Ratepayer Protection Act

    Cloture · Cloture on the Motion to Proceed Rejected · Energy

    YeaWith their party
  • Sep 30, 2026Roll call 253

    H.R. 7008: On Cloture on the Motion to Proceed

    Stop Insider Trading Act

    Cloture · Cloture on the Motion to Proceed Rejected · Government and elections

    YeaWith their party
  • Sep 29, 2026Roll call 252

    S.Res. 852: On the Motion to Discharge

    A resolution requesting information on Israel's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.

    Procedural · Motion to Discharge Rejected · Foreign affairs and trade

    Not voting
  • Sep 29, 2026Roll call 251

    S.J.Res. 197: On the Motion to Proceed

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program".

    Procedural · Motion to Proceed Rejected · Healthcare, Technology

    NayWith their party
  • Sep 28, 2026Roll call 250

    S. 4668: On Passage of the Bill

    Protect College Sports Act of 2026

    Final passage · Bill Passed · Education

    Yea
  • Sep 28, 2026Roll call 249

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    NayWith their party
  • Sep 28, 2026Roll call 248

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    NayWith their party
  • Sep 28, 2026Roll call 247

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    NayWith their party
  • Sep 28, 2026Roll call 246

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    Nay
  • Sep 28, 2026Roll call 245

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Agreed to · Education

    Yea
  • Sep 24, 2026Roll call 244

    H.Con.Res. 89: On the Concurrent Resolution

    Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.

    Final passage · Concurrent Resolution Rejected · Foreign affairs and trade

    NayWith their party
  • Sep 24, 2026Roll call 243

    S. 4668: On the Cloture Motion

    Protect College Sports Act of 2026

    Cloture · Cloture Motion Agreed to · Education

    Yea
  • Sep 24, 2026Roll call 242

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Agreed to · Education

    Yea
  • Sep 23, 2026Roll call 241

    On the Nomination

    Confirmation: Angela Veronica Colmenero, of T.X., to be U.S. District Judge for the Southern District of Texas

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 22, 2026Roll call 240

    S. 4668: On the Cloture Motion

    Protect College Sports Act of 2026

    Cloture · Cloture Motion Agreed to · Education

    Not voting
  • Sep 22, 2026Roll call 239

    On the Cloture Motion

    Motion to Invoke Cloture: Angela Veronica Colmenero to be U.S. District Judge for the Southern District of Texas

    Cloture · Cloture Motion Agreed to

    Not voting
  • Sep 17, 2026Roll call 238

    On the Nomination

    Confirmation: Kasdin Miller Mitchell, of Texas, to be U.S. District Judge for the Northern District of Texas

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 17, 2026Roll call 237

    On the Cloture Motion

    Motion to Invoke Cloture: Kasdin Miller Mitchell to be U.S. District Judge for the Northern District of Texas

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Sep 17, 2026Roll call 236

    S. 4668: On the Motion to Proceed

    Protect College Sports Act of 2026

    Procedural · Motion to Proceed Agreed to · Education

    Yea
  • Sep 15, 2026Roll call 235

    S. 4668: On Cloture on the Motion to Proceed

    Protect College Sports Act of 2026

    Cloture · Cloture on the Motion to Proceed Agreed to · Education

    Yea
  • Sep 15, 2026Roll call 234

    H.R. 3633: On Cloture on the Motion to Proceed

    Digital Asset Market Clarity Act

    Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Technology

    YeaWith their party
  • Sep 15, 2026Roll call 233

    On the Nomination

    Confirmation: Matthew R. Byrne, of Ohio, to be U.S. District Judge for the Southern District of Ohio

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 14, 2026Roll call 232

    On the Cloture Motion

    Motion to Invoke Cloture: Matthew R. Byrne to be U.S. District Judge for the Southern District of Ohio

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 8, 2026Roll call 231

    S. 5271: On Cloture on the Motion to Proceed

    A bill to amend the Help America Vote Act of 2002 to require voters to provide photo identification.

    Cloture · Cloture on the Motion to Proceed Rejected · Civil rights, Government and elections, Immigration

    YeaWith their party
  • Aug 8, 2026Roll call 230

    On the Nomination

    Confirmation: Todd Blanche, of Florida, to be Attorney General

    Final passage · Nomination Confirmed

    YeaWith their party
  • Aug 8, 2026Roll call 229

    On the Cloture Motion

    Motion to Invoke Cloture: Todd Blanche to be Attorney General

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 8, 2026Roll call 228

    H.R. 6500: On Passage of the Bill

    Continuing Appropriations and Extensions Act, 2027

    Final passage · Bill Passed · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Nay
  • Aug 8, 2026Roll call 227

    H.R. 6500: On the Motion to Table

    Continuing Appropriations and Extensions Act, 2027

    Procedural · Motion to Table Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Nay
  • Aug 7, 2026Roll call 226

    H.R. 6500: On the Cloture Motion

    Continuing Appropriations and Extensions Act, 2027

    Cloture · Cloture Motion Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Nay
  • Aug 7, 2026Roll call 225

    On the Nomination

    Confirmation: En Bloc nominations provided for under the provisions of S. Res. 817

    Final passage · Nomination Confirmed

    YeaWith their party
  • Aug 7, 2026Roll call 224

    H.R. 5334: On Passage of the Bill

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Final passage · Bill Passed · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    Yea
  • Aug 7, 2026Roll call 223

    H.R. 5334: On the Amendment

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Amendment · Amendment Rejected · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    YeaAgainst their party
  • Aug 5, 2026Roll call 222

    S.J.Res. 187: On the Motion to Proceed

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".

    Procedural · Motion to Proceed Rejected · Environment

    NayWith their party
  • Aug 5, 2026Roll call 221

    On the Cloture Motion

    Motion to Invoke Cloture: En Bloc Nominations Provided for under the provisions of S. Res. 817

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 5, 2026Roll call 220

    On the Nomination

    Confirmation: Erica Schwartz, of Florida, to be Director of the Centers for Disease Control and Prevention

    Final passage · Nomination Confirmed

    YeaWith their party
  • Aug 5, 2026Roll call 219

    On the Cloture Motion

    Motion to Invoke Cloture: Erica Schwartz to be Director of the Centers for Disease Control and Prevention

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 3, 2026Roll call 218

    H.R. 6500: On Cloture on the Motion to Proceed

    Continuing Appropriations and Extensions Act, 2027

    Cloture · Cloture on the Motion to Proceed Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Yea
  • Jul 30, 2026Roll call 217

    S.Res. 817: On the Resolution

    An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.

    Final passage · Resolution Agreed to · Government and elections

    YeaWith their party
  • Jul 30, 2026Roll call 216

    S.J.Res. 181: On the Motion to Discharge

    A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.

    Procedural · Motion to Discharge Rejected · Foreign affairs and trade

    NayWith their party
  • Jul 30, 2026Roll call 215

    S.J.Res. 199: On the Motion to Proceed

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)".

    Procedural · Motion to Proceed Rejected · Social safety net

    NayWith their party
  • Jul 29, 2026Roll call 214

    S.Res. 817: On the Cloture Motion

    An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.

    Cloture · Cloture Motion Agreed to · Government and elections

    YeaWith their party
  • Jul 29, 2026Roll call 213

    H.R. 5334: On the Motion to Proceed

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Procedural · Motion to Proceed Agreed to · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    Yea
  • Jul 28, 2026Roll call 212

    H.R. 5334: On Cloture on the Motion to Proceed

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Cloture · Cloture on the Motion to Proceed Agreed to · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    Yea
  • Jul 28, 2026Roll call 211

    On the Nomination

    Confirmation: Walter Clayton, of New York, to be Director of National Intelligence

    Final passage · Nomination Confirmed

    YeaWith their party
  • Jul 27, 2026Roll call 210

    On the Cloture Motion

    Motion to Invoke Cloture: Walter Clayton to be Director of National Intelligence

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Jul 23, 2026Roll call 209

    On the Nomination

    Confirmation: Antonio M. Pozos, of Pennsylvania, to be U.S. District Judge for the Eastern District of Pennsylvania

    Final passage · Nomination Confirmed

    YeaWith their party
  • Jul 23, 2026Roll call 208

    On the Nomination

    Confirmation: Daniel Mack Traynor, of North Dakota, to United States Circuit Judge for the Eighth Circuit

    Final passage · Nomination Confirmed

    YeaWith their party
  • Jul 23, 2026Roll call 207

    S.J.Res. 180: On the Motion to Discharge

    A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.

    Procedural · Motion to Discharge Rejected · Foreign affairs and trade

    NayWith their party

Bills

The bills and joint resolutions behind the bipartisanship numbers, newest first. How we count these

Introduced (106)

  • S. 5513: Domestic Manufacturing Revitalization Act of 2026
  • S. 5505: Safe and Fair Elections Act of 2026
  • S. 5503: Taxpayer Funded Compensation Accountability Act
  • S. 5421: A bill to amend the Internal Revenue Code of 1986 to eliminate the State opt-in requirement for the qualified elementary and secondary education scholarship credit.
  • S. 5420: A bill to amend the Internal Revenue Code of 1986 to increase the qualified elementary and secondary education scholarships credit limit for married taxpayers filing a joint return.
  • S. 5258: PREFERRED Screening Act
  • S. 5062: FAIR DME Appeals Act
  • S. 5038: Special Education Administration Protection Act
  • S. 5014: Veteran Suicide Spousal Career Services Act
  • S. 5013: Veteran Acquired Brain Injury Caregiving Act

See all 106

Cosponsored (277)

  • S. 5659: Literacy Improvement for Transformation Act of 2026Introduced by another party
  • S. 5586: Ensuring Accurate Payments to Specialty Pharmacies ActIntroduced by another party
  • S. 5533: Segal AmeriCorps Education Award Tax Relief Act of 2026Introduced by another party
  • S. 5490: A bill to designate Ukraine under section 244 of the Immigration and Nationality Act to provide certain nationals of Ukraine with continued eligibility for temporary protected status, and for other purposes.Introduced by another party
  • S. 5308: Afghanistan TPS Act of 2026Introduced by another party
  • S. 5286: Supporting Disabled Entrepreneurs ActIntroduced by another party
  • S. 5269: Pay PCPs Act of 2026Introduced by another party
  • S. 5236: Improving CARE for Youth ActIntroduced by another party
  • S. 5176: National Guard for National Service ActIntroduced by another party
  • S. 5173: Fairness in Foreign Filing ActIntroduced by another party

See all 277

Service

Seats held in the Congresses we cover, from the 117th (2021) on.

  • Senator for Louisiana

    January 3, 2021 – present · Republican